Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 751 · 40 questions

Code tip (Pages for everyone): Headings go down one level at a time: h1 → h2 → h3 (they may jump back up). Alt text on images, clear link text, labels on form boxes, big enough text. Strong contrast (black on white, yellow on black) is easy to read; light grey on white is not.

1. 1.♿ What does good colour contrast mean? (a) only red text (b) text stands out clearly (c) many bright colours (d) no colours at all
2. 2.♿ Is this heading order correct (no level skipped)?
   <h1> → <h2> → <h2> → <h4> (a) Yes (b) No
3. 3.Which colour pair is easy to read? (a) white on dark blue (b) blue on purple (c) light grey on white (d) yellow on white
4. 4.♿ Which link text is clearest? (a) click here (b) here (c) link (d) Read the fruit facts
5. 5.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
6. 6.♿ A part of the page is under a <h3> heading. Which tag should its sub-heading use? (a) <h3> (b) <h1> (c) <h5> (d) <h4>
7. 7.♿ Does this help everyone, or make the page harder to use: tiny grey text? (a) makes it harder (b) helps everyone
8. 8.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h1> (b) <h6> (c) <h4> (d) <h2>
9. 9.♿ Does this help everyone, or make the page harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
10. 10.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
11. 11.True or false: “label every form box” makes the page harder to use. (a) True (b) False
12. 12.True or false: “link text “click here”” makes the page harder to use. (a) False (b) True
13. 13.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h5> (d) <h3>
14. 14.🌗 Is pink on red easy or hard to read? (a) hard to read (b) easy to read
15. 15.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) helps everyone (b) makes it harder
16. 16.True or false: “add alt text to images” makes the page harder to use. (a) True (b) False
17. 17.Which colour pair is easy to read? (a) white on black (b) red on green (c) pink on red (d) blue on purple
18. 18.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h3> → <h2> (a) No (b) Yes
19. 19.♿ Who uses a screen reader? (a) only coders (b) people who are blind (c) only robots (d) only teachers
20. 20.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h6> (b) <h1> (c) <h3> (d) <h5>
21. 21.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h4> (a) Yes (b) No
22. 22.True or false: “use big enough text” makes the page harder to use. (a) False (b) True
23. 23.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
24. 24.Which colour pair is easy to read? (a) blue on purple (b) yellow on white (c) dark grey on white (d) pink on red
25. 25.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) helps everyone (b) makes it harder
26. 26.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) makes it harder (b) helps everyone
27. 27.♿ Does this help everyone, or make the page harder to use: use headings in order? (a) helps everyone (b) makes it harder
28. 28.♿ Does this help everyone, or make the page harder to use: label every form box? (a) helps everyone (b) makes it harder
29. 29.♿ Does this help everyone, or make the page harder to use: use big enough text? (a) helps everyone (b) makes it harder
30. 30.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
31. 31.Which colour pair is hard to read? (a) black on white (b) yellow on black (c) yellow on white (d) dark grey on white
32. 32.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h4> (b) <h3> (c) <h1> (d) <h6>
33. 33.True or false: “images with no alt” helps everyone use the page. (a) True (b) False
34. 34.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h2> → <h3> (a) No (b) Yes
35. 35.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) white on dark blue (d) light grey on white
36. 36.Which colour pair is easy to read? (a) blue on purple (b) light grey on white (c) black on white (d) pink on red
37. 37.True or false: “skipping heading levels” makes the page harder to use. (a) True (b) False
38. 38.True or false: “skipping heading levels” helps everyone use the page. (a) False (b) True
39. 39.True or false: “add alt text to images” helps everyone use the page. (a) True (b) False
40. 40.🌗 Is white on black easy or hard to read? (a) easy to read (b) hard to read

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